Operation Manual

Page 5 of 10
3 Hardware
3.1 Electrical Characteristics
3.1.1 Absolute Maximum Ratings
Symbol
Parameter
Min
Nominal
Max
Unit
3V3
Power Supply
0
-
3.8
V
I/O Voltage
IO Pins
-0.3
V
DD +
0.3
V
T
AMB
Ambient
Temperature
Range
-20
-
80
°C
3.1.2 General Operating Conditions
Symbol
Parameter
Min
Nominal
Max
Unit
3V3
Power Supply
2.8
3.3
3.7
V
V
IL
Voltage input low
0.3* V
DD
V
V
IH
Voltage Input High
0.7* V
DD
V
V
OL
Voltage output Low
0.3* V
DD
V
V
OH
Voltage output High
0.75* V
DD
V
I
i
Current in Initialisation
mode
6.3
mA at 25 °C
6.5
mA at 50 °C
6.8
mA at 80 °C
I
A
Current while in Active
mode
480
uA at 25 °C
550
uA at 50 °C
560
uA at 80 °C
I
Tx
Current During
Transmission
78
90
120
mA at 25 °C
87.5
mA at 50 °C
79.5
mA at 80 °C
Iq
Quiescent Current
3.1
3.6
6.1
uA at 25 °C
3.7
4
7.9
uA at 50 °C
5
6.7
10
uA at 80 °C
RFcentre
RF Centre Frequency
922.0
MHz
RFout
RF Output power
13
14
15
dBm